at the city scale as the aspects of technological innovation? are there some real opportunities given what we are seeing in some of the other global areas? >> you have to do cities. they are made of bricks and steel and concrete. how to combine all of this is something that we know how to do. it is more and more needed. this brings together different parts of city government. another issue is about integrating data. there are two ways to do it. one way is to do it at the top and promote integration at the top. this will work to such an extent. i feel the other way is what we have seen more and more of. they are really using this as integrators. this is becoming the integrator for this intelligence. >> as we have come back, i want to go to detroit for a bit. this is for the entire day. where are those pockets of opportunity, particularly in the united states? the one thing about our system is that city x does something within two or five years and you see it spread through the system. and that regard we are highly entrepreneurial at the city scal